EP 2363428 A1 20110907 - Rheology modifier for cement slurries
Title (en)
Rheology modifier for cement slurries
Title (de)
Rheologiemodifizierer für Zementschlämme
Title (fr)
Modificateurs de rhéologie pour coulis de ciment
Publication
Application
Priority
US 30721810 P 20100223
Abstract (en)
A polymer composition comprising a) a polysaccharide derivative, b) a siloxane, and c) an anti-foaming agent different from a siloxane is useful for modifying the rheology of a cement slurry.
IPC 8 full level
C08K 3/00 (2006.01)
CPC (source: EP US)
C04B 20/1051 (2013.01 - EP US); C04B 28/02 (2013.01 - EP US); C08K 3/34 (2013.01 - EP US); C08K 5/1545 (2013.01 - EP US); C08K 5/54 (2013.01 - EP US); C08L 1/284 (2013.01 - EP US); C08L 3/02 (2013.01 - EP US); C08L 71/02 (2013.01 - EP US); C08L 83/04 (2013.01 - EP US); C04B 2103/0079 (2013.01 - EP US); C08G 77/04 (2013.01 - EP US); C08K 5/01 (2013.01 - EP US); C08K 5/13 (2013.01 - EP US); C08L 2205/03 (2013.01 - EP US); Y02W 30/91 (2015.05 - EP US)
Citation (applicant)
- US 3483007 A 19691209 - HOOK FRED E
- US 2009044726 A1 20090219 - BROUILLETTE FRED [US], et al
- EP 0504870 A2 19920923 - HOECHST AG [DE]
- US 4645812 A 19870224 - MAIER HELMUT K [US]
- EP 0210731 A2 19870204 - DOW CORNING [GB]
- GB 2279009 A 19941221 - DOW CORNING SA [FR]
- US 4906478 A 19900306 - VALENTINE WILLIAM [US], et al
- US 5073384 A 19911217 - VALENTINE WILLIAM [US], et al
Citation (search report)
- [X] CN 101440249 A 20090527 - MARINE RES INST OF CHEMICAL IN [CN]
- [X] CN 101354926 A 20090128 - RAINBOW GROUP COMPANY [CN]
- [X] US 2005092209 A1 20050505 - GARNER VAN D [US]
- [X] SU 684129 A1 19790905 - VNII KREPLENIYU SKVAZHIN BUROV [SU]
- [X] SU 675169 A1 19790725 - VNII KREPLENIYU SKVAZHIN BUROV [SU]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2363428 A1 20110907; EP 2363428 B1 20140305; CN 102190457 A 20110921; CN 102190457 B 20140924; JP 2011173786 A 20110908; US 2011207854 A1 20110825
DOCDB simple family (application)
EP 11151850 A 20110124; CN 201110051724 A 20110222; JP 2011011516 A 20110124; US 201113025245 A 20110211